| FTF&d Tool Company INC | Three Rivers | MA | Machinery Manufacturing333512 | — | ◇ UNVERIFIED |
 F. H. Peterson Machine Corporation | Hanover | MA | Machinery Manufacturing333249 | — | ◇ UNVERIFIED |
| FMFilter-kleen Manufacturing Co., INC. | Westford | MA | Machinery Manufacturing333999 | — | ◇ UNVERIFIED |
| FMFire-1 Manufacturing Inc. | Mendon | MA | Machinery Manufacturing333924 | — | ◇ UNVERIFIED |
| FRFleet Robotics | Charlestown | MA | Machinery Manufacturing333998 | — | ◇ UNVERIFIED |
| FBFormlabs Billerica | North Billerica | MA | Machinery Manufacturing333248 | — | ◇ UNVERIFIED |
| FIFormlabs INC | Somerville | MA | Machinery Manufacturing333244 | — | ◇ UNVERIFIED |
| FAFortify at Boston Road | North Billerica | MA | Machinery Manufacturing333248 | — | ◇ UNVERIFIED |
| FMFranklin Manor Condominiums | Melrose | MA | Machinery Manufacturing333921 | — | ◇ UNVERIFIED |
| FFujitech | Sharon | MA | Machinery Manufacturing333921 | — | ◇ UNVERIFIED |
| FWFw Webb Company | Watertown | MA | Machinery Manufacturing333914 | — | ◇ UNVERIFIED |
| GRGartner Refrigeration and Manufacturing, INC | West Springfield | MA | Machinery Manufacturing333415 | — | ◇ UNVERIFIED |
| GMGoodspeed Machine Company | Winchendon | MA | Machinery Manufacturing333999 | — | ◇ UNVERIFIED |
| GFGrandview Farms INC | Chicopee | MA | Machinery Manufacturing333111 | — | ◇ UNVERIFIED |
| GCGtc Construction Management CO | Stoughton | MA | Machinery Manufacturing333921 | — | ◇ UNVERIFIED |
| HDHarmonic Drive LLC | Peabody | MA | Machinery Manufacturing333612 | — | ◇ UNVERIFIED |
| HPHarpak-ulma Packaging | Taunton | MA | Machinery Manufacturing333241 | — | ◇ UNVERIFIED |
| HUHarvard University Teele Hall | Allston | MA | Machinery Manufacturing333921 | — | ◇ UNVERIFIED |
| HIHarvey Industries INC | Waltham | MA | Machinery Manufacturing333921 | — | ◇ UNVERIFIED |
| HWHearth Works Fireplace Center, INC | North Reading | MA | Machinery Manufacturing333414 | — | ◇ UNVERIFIED |
| HSHerrick & Sons Inc. | North Brookfield | MA | Machinery Manufacturing333992 | — | ◇ UNVERIFIED |
| HWHoracio's Welding & Sheet Metal, INC. | New Bedford | MA | Machinery Manufacturing333518 | — | ◇ UNVERIFIED |
| HCHtp Comfort Solutions LLC | East Freetown | MA | Machinery Manufacturing333414 | — | ◇ UNVERIFIED |
| HAHurley and David | Springfield | MA | Machinery Manufacturing333415 | — | ◇ UNVERIFIED |
| IMIan Macdonald Crane & Rigging CO INC | South Easton | MA | Machinery Manufacturing333999 | — | ◇ UNVERIFIED |
| ILInkbit LLC | Medford | MA | Machinery Manufacturing333244 | — | ◇ UNVERIFIED |
| ILInkbit LLC | Medford | MA | Machinery Manufacturing333249 | — | ◇ UNVERIFIED |
| IIIpsco International | Attleboro | MA | Machinery Manufacturing333220 | — | ◇ UNVERIFIED |
| JMJad Manufacturing LLC | Plymouth | MA | Machinery Manufacturing333515 | — | ◇ UNVERIFIED |
| JAJebaz Auto Repair | Malden | MA | Machinery Manufacturing333921 | — | ◇ UNVERIFIED |
| JMJi Morris | Southbridge | MA | Machinery Manufacturing333515 | — | ◇ UNVERIFIED |
| KEKeystone Elevator Service and Modernization, LLC | Quincy | MA | Machinery Manufacturing333921 | — | ◇ UNVERIFIED |
| KEKeystone Elevator Service and Modernization, LLC | Boston | MA | Machinery Manufacturing333921 | — | ◇ UNVERIFIED |
| KMKilleen Machine and Tool Company, Inc. | Auburn | MA | Machinery Manufacturing333517 | — | ◇ UNVERIFIED |
| KIKoby Incorporated | Marlborough | MA | Machinery Manufacturing333413 | — | ◇ UNVERIFIED |
| LKLamb Knitting Machine Corporation | Chicopee | MA | Machinery Manufacturing333248 | — | ◇ UNVERIFIED |
| LHLawrence Hall Williams College | Williamstown | MA | Machinery Manufacturing333921 | — | ◇ UNVERIFIED |
| LELeblanc Enterprises INC Dba Sawtech | Lawrence | MA | Machinery Manufacturing333517 | — | ◇ UNVERIFIED |
| MEMaguire Equipment INC | Hyde Park | MA | Machinery Manufacturing333120 | — | ◇ UNVERIFIED |
| MTMainline Tool and Grind INC | Westfield | MA | Machinery Manufacturing333517 | — | ◇ UNVERIFIED |
| MHMalden Housing Authority | Malden | MA | Machinery Manufacturing333921 | — | ◇ UNVERIFIED |
| MWMarks Woodworking | Thorndike | MA | Machinery Manufacturing333243 | — | ◇ UNVERIFIED |
| MCMarr Crane and Rigging Company | Braintree | MA | Machinery Manufacturing333923 | — | ◇ UNVERIFIED |
| MCMassman Companies | Hingham | MA | Machinery Manufacturing333993 | — | ◇ UNVERIFIED |
| MIMcrl INC | Bridgewater | MA | Machinery Manufacturing333999 | — | ◇ UNVERIFIED |
| MIMestek INC Dadanco | Westfield | MA | Machinery Manufacturing333414 | — | ◇ UNVERIFIED |
| MMetromatic | Medford | MA | Machinery Manufacturing333414 | — | ◇ UNVERIFIED |
| MAMicro Arc Welding INC | Worcester | MA | Machinery Manufacturing333992 | — | ◇ UNVERIFIED |
| MCMicrowave Components Specialists, in | Bedford | MA | Machinery Manufacturing333517 | — | ◇ UNVERIFIED |
| MIMillibar INC | Hopkinton | MA | Machinery Manufacturing333912 | — | ◇ UNVERIFIED |
